Abstract: A six-story seismically isolated structure fitted with semiactive hydraulic devices is analyzed in order to study the effect of time lag in the devices and mass eccentricity in the superstructure on the lateral-torsional ...

Abstract: Passive damping in shock and vibration isolation systems reduces the deformation of the isolation system but can increase the acceleration sustained by the isolated object. Semiactive (i.e., controllable) damping systems ...